<!DOCTYPE html>
<html lang="zh-CN">
	<head>
		<meta charset="utf-8">
		<title>测试</title>
	</head>
<body>

	<select id="s" multiple>
		<option value="yw">语文</option>
		<option value="sx">数学</option>
		<option value="yy">英语</option>
	</select>

	<script src="bundle.js"></script>
</body>
</html>